OpenTechnical

OT-2026-000047562

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000047562) never changes.

Identity and time

Publication numberOT-2026-000047562 · never reused
Internal UUID01a0ae7f-3e59-7241-9cf4-6b060394ebb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047562
StatusPUBLIC

Content hashes

Canonical textf1931d34fb3a80a607e9fe9fa8cc9408b504cea85e2470952c69dcde0bca9999
Markdown52f753c627c24e79f88b9318623f1c3eead6d476a58a148a82f05287f4f2cb8d
PDF
Publication page6e75d0002f2252282de77daf7282da9a944b420c20e24051705ccb63c8bdb1a6
Manifest3c682b1dd40c1a959ff3ca7d593c16aecbee0496ea31a022906ce5c436ce5df7

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureNb7367Mjj1PrbqnvYm0xw4C1jZfJprNDqFlXLtSXvIaIP3m+9fIyMYTdxjuQSPag0De4QXxW64cGPyh4joYlBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:06:41.140216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047562
observed 6e75d0002f2252282de77daf7282da9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:41.121426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047562/manifest.json
observed 3c682b1dd40c1a959ff3ca7d593c16ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:41.102297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047562/publication.md
observed 52f753c627c24e79f88b9318623f1c3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:41.085560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047562/publication.txt
observed f1931d34fb3a80a607e9fe9fa8cc9408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.